DTC U0155: MICU Lost Communication With Gauge Control Module
WARNING: This page is about a different car, the 2011 Honda Pilot, 2010 Honda Pilot, and 2009 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow instructions in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0) and then back to ON (II).
- Wait for 6 seconds or more.
- Check for DTCs with the HDS.
Is DTC U0155 indicated?
YES - Go to step 5.
NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections. ■
- Check for DTCs with the HDS.
Is DTC U1280 indicated?
YES - Go to DTC U1280: COMMUNICATION BUS LINE ERROR (BUS-OFF) . ■
NO - Go to step 6.
- Turn the ignition switch to LOCK (0).
- Disconnect the gauge control module 32P connector.
- Disconnect under-dash fuse/relay box connector T (34P).
- Check for continuity between gauge control module 32P connector terminals No. 19 and No. 20 and under-dash fuse/relay box connector T (34P) terminals No. 29 and No. 12 individually.
Is there continuity?
YES - Go to the gauge control module input test, and do all power and ground input tests (see GAUGE CONTROL MODULE INPUT TEST ). If the tests prove OK, replace the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ). ■
NO - Repair an open or high resistance in the wire. ■